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65315 = 513063
BaseRepresentation
bin1111111100100011
310022121002
433330203
54042230
61222215
7361265
oct177443
9108532
1065315
1145088
123196b
1323963
1419b35
1514545
hexff23

65315 has 4 divisors (see below), whose sum is σ = 78384. Its totient is φ = 52248.

The previous prime is 65309. The next prime is 65323. The reversal of 65315 is 51356.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-65315 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6527 + ... + 6536.

It is an arithmetic number, because the mean of its divisors is an integer number (19596).

265315 is an apocalyptic number.

65315 is a deficient number, since it is larger than the sum of its proper divisors (13069).

65315 is a wasteful number, since it uses less digits than its factorization.

65315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13068.

The product of its digits is 450, while the sum is 20.

The square root of 65315 is about 255.5679948663. The cubic root of 65315 is about 40.2721031333.

The spelling of 65315 in words is "sixty-five thousand, three hundred fifteen".

Divisors: 1 5 13063 65315